Gas-water and gas-gas heat exchangers successfully applied to sludge drying and incineration

October 29, 2021

The equipment selected by Jemma is a 1219*4820 wide channel air-gas Plate Heat Exchanger, which is applied to the waste heat recovery of sludge drying and incineration process. The high-temperature exhaust gas heat energy emitted after incineration is heated by the air-air plate heat exchanger to room temperature clean air, one is applied to the sludge drying and dewatering system to reduce the sludge moisture, more conducive to combustion; the other is applied to the incinerator combustion air preheating, so that the combustion is more fully efficient.

Conventional plates generally use a herringbone corrugation, and there are contact points between the plates that form a grid type, and these points are easily worn through the plates under the scouring of solid particles causing perforated leakage, and the two fluids will be mixed together, bringing great loss to the production. The project design of the wide flow channel pressure has a fixed distance column of thin metal plate, the contact points between the plates less, and the channel can be smoothly through the solid particles, not only is not easy to block, can greatly reduce the number of times the heat exchanger maintenance cleaning, but also can extend the service life of the equipment, effectively reducing the investment of equipment and labor.

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